C Interview Questions
Questions Answers Views Company eMail

What are Storage Classes in C ?

CTS, HP, IBM, Maharaja Whiteline, Tamil Nadu Open University TNOU, TATA, TCS, Wipro,

32 118685

How the processor registers can be used in C ?

HP,

7 16974

What is an volatile variable?

HP,

15 36338

How to access or modify the const variable in c ?

HCL, HP,

16 38192

What is structure padding ?

HP,

3 31062

What is structure packing ?

HP,

2 14221

How to implement call back functions ?

HP,

3 10466

What is an anonymous union and where to apply that ?

HP,

3 10309

How to implement variable argument functions ?

HP,

1 8803

What are advantages and disadvantages of recursive calling ?

College School Exams Tests, Evolving Systems, HP, Jyoti Ltd, Sage, Wipro,

12 99098

How the C program can be compiled?

HP,

11 21358

What are the preprocessors?

HP,

9 17559

what are the various memory handling mechanisms in C ?

HP,

4 11991

what is a function pointer and how all to declare ,define and implement it ???

Honeywell,

4 11456

Give a fast way to multiply a number by 7

Accenture, Aricent, Microsoft,

15 48665


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Un-Answered Questions { C }

What is static memory allocation? Explain

741


2) Write a program that will help Air Traffic Control for an airport to view the sequence of flights ready for take-off. The airport can accommodate 10 flights waiting for take-off at any point in time. Each flight has a unique 3 digit numeric identifier.  Each time a flight takes-off, Air Traffic Control adds a flight to the waitlist. Each time a flight is added to the waitlist, the list of flights waiting to take-off must be displayed.  When a flight is cleared for take-off, Air Traffic Control removes the flight from the waitlist. Each time a flight takes-off, the list of flights waiting to take-off must be displayed.  Sequence of take-off is the sequence of addition to the waitlist

2636


Can you explain what keyboard debouncing is, and where and why we us it? please give some examples

1789


What is a list in c?

731


Is c pass by value or reference?

713






What is a header file?

751


What are types of preprocessor in c?

740


How is null defined in c?

794


What is 1f in c?

2145


What is s or c?

720


What are the string functions? List some string functions available in c.

713


What is the newline escape sequence?

709


can we implement multi-threads in c.

786


What is the use of a semicolon (;) at the end of every program statement?

976


What are nested functions in c?

678